CN215981710U - Multimedia accounting teaching device based on AR technique - Google Patents
Multimedia accounting teaching device based on AR technique Download PDFInfo
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- CN215981710U CN215981710U CN202121876105.5U CN202121876105U CN215981710U CN 215981710 U CN215981710 U CN 215981710U CN 202121876105 U CN202121876105 U CN 202121876105U CN 215981710 U CN215981710 U CN 215981710U
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Abstract
The utility model relates to the technical field of teaching devices and discloses a multimedia accounting teaching device based on an AR technology. This multimedia accounting teaching device based on AR technique, it is rotatory to make the pivot drive the rolling wheel through rotatory handle, make the stay cord tighten up or extend, when the stay cord tightens up, the movable block drives the gyro wheel and moves down, tensile drive spring, make the trapezoidal piece antedisplacement through the gyro wheel, make the pole antedisplacement of adjusting, compression drive spring, make connecting rod and the contained angle between the regulation pole diminish, the projection angle of projecting apparatus skew upwards this moment, when the stay cord extension, move down at drive spring and drive spring's spring left, make the pole retrogradation of adjusting, connecting rod and the contained angle grow of adjusting between the pole, the projection angle of projecting apparatus squints downwards this moment, the purpose of projecting apparatus angularly adjustable has been realized.
Description
Technical Field
The utility model relates to the technical field of teaching devices, in particular to a multimedia accounting teaching device based on an AR technology.
Background
The augmented reality technology is a technology for calculating the position and angle of a projector image in real time on the spot and adding a corresponding image, and is a new technology for seamlessly integrating real world information and virtual time information.
Most projectors in the existing multimedia teaching device can not adjust the projection angle, and when the projection is inclined or is in other conditions, the projection quality of students can be influenced, so that the multimedia accounting teaching device based on the AR technology is provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a multimedia accounting teaching device based on an AR technology, which has the advantages of adjustable projector angle and the like, and solves the problem that most projectors in the prior multimedia teaching device can not adjust the projection angle, and the viewing quality of students is influenced when the projection is inclined or in other situations.
(II) technical scheme
In order to achieve the purpose of adjusting the angle of the projector, the utility model provides the following technical scheme: the utility model provides a multimedia accounting teaching device based on AR technique, includes the base, the base top is provided with the projection subassembly, the base top just is located the projection subassembly right side and is provided with the camera, the base top just is located the projection subassembly rear side and is provided with the mounting box, mounting box inner wall left side is provided with and extends to its right side drive assembly with mounting box inner wall top fixed connection and one end, mounting box inner wall bottom is provided with rear side and drive assembly swing joint and front side and mounting box inner wall front side fixed connection's transmission assembly, the base top just is located projection subassembly below and is provided with the regulating assembly that one end extends to the mounting box inside and with transmission assembly fixed connection, regulating assembly's top and projection subassembly are articulated.
Preferably, the projection subassembly includes the projection pole, base top fixed mounting has quantity to be two projection poles, two the projection pole is bilateral symmetry and distributes, and the left side the projection pole top articulates there is one end and right side projection pole top articulated projecting apparatus.
Preferably, the driving assembly comprises a rotating shaft, one end of the left side of the inner wall of the mounting box is movably mounted with a rotating shaft, the right side of the rotating shaft is fixedly mounted with a handle, the rotating shaft is located at the outer side of the inner end of the mounting box and fixedly mounted with a winding wheel, the top of the inner wall of the mounting box is fixedly mounted with a guide rod, the rear side of the inner wall of the mounting box is movably mounted with a moving block sleeved at the outer side of the guide rod, the outer side of the winding wheel is wound with a pull rope, one end of the pull rope is fixedly connected with the bottom of the moving block and is located at the rear side of the guide rod, the top of the moving block is fixedly mounted with a driving spring, one end of the driving spring is fixedly connected with the top of the inner wall of the mounting box, and the front side of the moving block is fixedly mounted with a roller.
Preferably, the transmission assembly comprises a sliding block, the bottom of the inner wall of the mounting box is movably mounted on the front side of the rotating shaft, a trapezoidal block connected with the roller in a sliding manner is fixedly mounted on the top of the sliding block, and a transmission spring fixedly connected with one end of the transmission spring and the front side of the inner wall of the mounting box is fixedly mounted on the front side of the sliding block.
Preferably, the adjusting part comprises a bearing block, the base top is fixedly mounted below the projector, the front side of the trapezoidal block is fixedly mounted with an adjusting rod, one end of the adjusting rod penetrates through the mounting box and extends to the front side of the bearing block, and the left side of one end of the adjusting rod, which is located at the front side of the bearing block, is hinged with a connecting rod hinged with the bottom of the projector.
Preferably, the left side and the right side of the bottom of the base are fixedly provided with supporting legs, and the supporting legs on the left side and the supporting legs on the right side are symmetrically distributed.
(III) advantageous effects
Compared with the prior art, the utility model provides a multimedia accounting teaching device based on the AR technology, which has the following beneficial effects:
this multimedia accounting teaching device based on AR technique, it is rotatory to make the pivot drive the rolling wheel through rotatory handle, make the stay cord tighten up or extend, when the stay cord tightens up, the movable block drives the gyro wheel and moves down, tensile drive spring, make the trapezoidal piece antedisplacement through the gyro wheel, make the pole antedisplacement of adjusting, compression drive spring, make connecting rod and the contained angle between the regulation pole diminish, the projection angle of projecting apparatus skew upwards this moment, when the stay cord extension, move down at drive spring and drive spring's spring left, make the pole retrogradation of adjusting, connecting rod and the contained angle grow of adjusting between the pole, the projection angle of projecting apparatus squints downwards this moment, the purpose of projecting apparatus angularly adjustable has been realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view partially in accordance with the present invention.
In the figure: the projector comprises a base 1, a projection assembly 2, a projection rod 21, a projector 22, a camera 3, a mounting box 4, a driving assembly 5, a rotating shaft 51, a handle 52, a winding wheel 53, a guide rod 54, a moving block 55, a pull rope 56, a driving spring 57, a roller 58, a transmission assembly 6, a sliding block 61, a trapezoidal block 62, a transmission spring 63, an adjusting assembly 7, a bearing block 71, an adjusting rod 72 and a connecting rod 73.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-2, a multimedia accounting teaching device based on AR technology, includes base 1, the equal fixed mounting in base 1 bottom left and right sides has the supporting leg, the left and right sides supporting leg is bilateral symmetry and distributes, base 1 top fixed mounting has projection subassembly 2, projection subassembly 2 includes projection pole 21, base 1 top fixed mounting has the projection pole 21 that quantity is two, two projection poles 21 are bilateral symmetry and distribute, left side projection pole 21 top articulates there is one end and right side projection pole 21 top articulated projecting apparatus 22.
The camera 3 is fixedly mounted at the top of the base 1 and positioned at the right side of the projection assembly 2, the mounting box 4 is fixedly mounted at the top of the base 1 and positioned at the rear side of the projection assembly 2, the driving assembly 5 is movably mounted at the left side of the inner wall of the mounting box 4, one end of the driving assembly 5 extends to the right side of the mounting box 4 and is fixedly connected with the top of the inner wall of the mounting box 4, the driving assembly 5 comprises a rotating shaft 51, one end of the rotating shaft 51 extends to the right side of the rotating shaft 51, a handle 52 is fixedly mounted at the right side of the rotating shaft 51, the rotating shaft 51 is positioned at the outer side of the inner end of the mounting box 4 and is fixedly mounted with a winding wheel 53, a guide rod 54 is fixedly mounted at the top of the inner wall of the mounting box 4, a movable block 55 sleeved outside the guide rod 54 is movably mounted at the rear side of the inner wall of the mounting box 4, one end of the winding wheel 53 is fixedly connected with the bottom of a moving block 55, and is positioned at a pull rope 56 behind the guide rod 54, and the top of a driving bomb fixedly connected with the top of the inner wall of the mounting box 4 and is fixedly mounted at the top of the rear side of the guide rod 54 The spring 57 and the roller 58 are fixedly mounted on the front side of the moving block 55.
The inner wall bottom movable mounting of mounting box 4 has rear side and drive assembly 5 swing joint and front side and 4 inner wall front side fixed connection's of mounting box transmission assembly 6, and transmission assembly 6 includes slider 61, and 4 inner wall bottoms of mounting box just are located pivot 51 front side movable mounting have slider 61, and slider 61 top fixed mounting has trapezoidal piece 62 with gyro wheel 58 sliding connection, and slider 61 front side fixed mounting has one end and 4 inner wall front side fixed connection's of mounting box transmission spring 63.
Make pivot 51 drive the rolling wheel 53 rotatory through rotatory handle 52, make stay cord 56 tighten up or extend, when stay cord 56 tightens up, movable block 55 drives gyro wheel 58 and moves down, tensile drive spring 57, make trapezoidal piece 62 antedisplacement through gyro wheel 58, make regulation pole 72 antedisplacement, compression drive spring 63, make connecting rod 73 and the contained angle between the regulation pole 72 diminish, the projection angle of projecting apparatus 22 upwards squints this moment, when stay cord 56 extends, move down on drive spring 57 and drive spring 63's spring left, make regulation pole 72 after-moving, connecting rod 73 and the contained angle grow between the regulation pole 72, the projection angle of projecting apparatus 22 squints downwards this moment, the purpose that the projecting apparatus angle can be adjusted has been realized.
In use, the real world image captured by the camera 3 is first input into a computer, combined with a virtual scene generated by a computer graphics system, and the final enhanced scene picture is projected onto a screen by an output device such as a projector 22 for viewing by students.
To sum up, in the multimedia accounting teaching device based on the AR technology, the rotating shaft 51 drives the winding wheel 53 to rotate through the rotating handle 52, so that the pulling rope 56 is tightened or extended, when the pulling rope 56 is tightened, the moving block 55 drives the roller 58 to move downwards, the driving spring 57 is stretched, the trapezoidal block 62 moves forwards through the roller 58, the adjusting rod 72 moves forwards, the transmission spring 63 is compressed, so that the included angle between the connecting rod 73 and the adjusting rod 72 becomes smaller, at the moment, the projection angle of the projector 22 is shifted upwards, when the pulling rope 56 is extended, the spring of the driving spring 57 and the transmission spring 63 moves downwards, so that the adjusting rod 72 moves backwards, the included angle between the connecting rod 73 and the adjusting rod 72 becomes larger, at the moment, the projection angle of the projector 22 is shifted downwards, the purpose of adjusting the projector angle is achieved, and the problem that most projectors in the existing multimedia teaching device cannot adjust the projection angles is solved, when the projection is inclined or in other situations, the problem of the viewing quality of students can be influenced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a multimedia accounting teaching device based on AR technique, includes base (1), base (1) top is provided with projection subassembly (2), base (1) top just is located projection subassembly (2) right side and is provided with camera (3), base (1) top just is located projection subassembly (2) rear side and is provided with mounting box (4), its characterized in that: mounting box (4) inner wall left side is provided with and extends to drive assembly (5) on its right side with mounting box (4) inner wall top fixed connection and one end, mounting box (4) inner wall bottom is provided with rear side and drive assembly (5) swing joint and front side and mounting box (4) inner wall front side fixed connection's transmission assembly (6), base (1) top just is located projection subassembly (2) below and is provided with one end and extends to mounting box (4) inside and with transmission assembly (6) fixed connection's adjusting part (7), the top of adjusting part (7) is articulated with projection subassembly (2).
2. The AR technology-based multimedia accounting teaching device of claim 1, wherein: projection subassembly (2) are including projection pole (21), base (1) top fixed mounting has quantity to be two projection pole (21), two projection pole (21) are bilateral symmetry and distribute, the left side projection pole (21) top articulates there is one end and right side projection pole (21) top articulated projecting apparatus (22).
3. The AR technology-based multimedia accounting teaching device of claim 2, wherein: the driving assembly (5) comprises a rotating shaft (51), the left side of the inner wall of the mounting box (4) is movably provided with the rotating shaft (51) of which one end extends to the right side, the right side of the rotating shaft (51) is fixedly provided with a handle (52), the outer side of the rotating shaft (51) at one end inside the mounting box (4) is fixedly provided with a winding wheel (53), the top of the inner wall of the mounting box (4) is fixedly provided with a guide rod (54), the rear side of the inner wall of the mounting box (4) is movably provided with a moving block (55) sleeved outside the guide rod (54), the outer side of the winding wheel (53) is wound with a pull rope (56) of which one end is fixedly connected with the bottom of the moving block (55) and is positioned at the rear side of the guide rod (54), the top of the moving block (55) is fixedly provided with a driving spring (57) of which one end is fixedly connected with the top of the inner wall of the mounting box (4), and a roller (58) is fixedly arranged on the front side of the moving block (55).
4. The multimedia teaching device for accounting based on AR technology as claimed in claim 3, wherein: the transmission assembly (6) comprises a sliding block (61), the sliding block (61) is movably mounted at the bottom of the inner wall of the mounting box (4) and located on the front side of the rotating shaft (51), a trapezoidal block (62) connected with the roller (58) in a sliding mode is fixedly mounted at the top of the sliding block (61), and a transmission spring (63) fixedly connected with one end of the front side of the inner wall of the mounting box (4) is fixedly mounted at the front side of the sliding block (61).
5. The AR technology-based multimedia accounting teaching device as claimed in claim 4, wherein: adjusting part (7) are including bearing piece (71), base (1) top just is located projecting apparatus (22) below fixed mounting has bearing piece (71), trapezoidal piece (62) front side fixed mounting has one end to run through mounting box (4) and extends to adjusting pole (72) of bearing piece (71) front side, it has articulated connecting rod (73) articulated bottom projecting apparatus (22) to adjust pole (72) left side that is located bearing piece (71) front side one end.
6. The AR technology-based multimedia accounting teaching device of claim 1, wherein: the supporting legs are fixedly mounted on the left side and the right side of the bottom of the base (1), and the supporting legs on the left side and the right side are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876105.5U CN215981710U (en) | 2021-08-12 | 2021-08-12 | Multimedia accounting teaching device based on AR technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876105.5U CN215981710U (en) | 2021-08-12 | 2021-08-12 | Multimedia accounting teaching device based on AR technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215981710U true CN215981710U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121876105.5U Active CN215981710U (en) | 2021-08-12 | 2021-08-12 | Multimedia accounting teaching device based on AR technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215981710U (en) |
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2021
- 2021-08-12 CN CN202121876105.5U patent/CN215981710U/en active Active
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